HL / SL
Paper 1A — MCQ
Multiple choice questions. Quick recall and application checks.
Calculator required.
The whole path, before you pay.
HL / SL01A - Unity and Diversity
02B - Form and Function
- B1.1 Carbohydrates and lipidsHL / SL
- B1.2 ProteinsHL / SL
- B2.1 Membranes and membrane transportHL / SL
- B2.2 Organelles and compartmentalizationHL / SL
- B2.3 Cell specializationHL / SL
- B3.1 Gas exchangeHL / SL
- B3.2 TransportHL / SL
- B3.3 Muscle and motility (HL)HL
- B4.1 Adaptation to environmentHL / SL
- B4.2 Ecological nichesHL / SL
03C - Interaction and Interdependence
- C1.1 Enzymes and metabolismHL / SL
- C1.2 Cell respirationHL / SL
- C1.3 PhotosynthesisHL / SL
- C2.1 Chemical signalling (HL)HL
- C2.2 Neural signallingHL / SL
- C3.1 Integration of body systemsHL / SL
- C3.2 Defense against diseaseHL / SL
- C4.1 Populations and communitiesHL / SL
- C4.2 Transfer of energy and matterHL / SL
04D - Continuity and Change
- D1.1 DNA replicationHL / SL
- D1.2 Protein synthesisHL / SL
- D1.3 Mutations and gene editingHL / SL
- D2.1 Cell and nuclear divisionHL / SL
- D2.2 Gene expression (HL)HL
- D2.3 Water potentialHL / SL
- D3.1 ReproductionHL / SL
- D3.2 InheritanceHL / SL
- D3.3 HomeostasisHL / SL
- D4.1 Natural selectionHL / SL
- D4.2 Sustainability and changeHL / SL
- D4.3 Climate changeHL / SL
How the exam is actually built.
The examHL / SL
Paper 1B — Data-based
Questions built around graphs, tables, and experimental data.
Calculator required.
HL / SL
Paper 2 — Short + Extended
Short-answer and extended-response questions.
Calculator required.
No account needed.
Try itTry a card.
Properties of Glucose and Their Biological Significance (1/3)
Glucose is the primary energy currency of living organisms. Its molecular properties are perfectly suited to its biological roles in transport, energy release, and as a building block for larger molecules.
